The keyway refers to a hole or slot in a lock for receiving and guiding the key , it is characterized by its unique shape. Keyway is usually indicated by a letter, like B, E, F, H, J, etc. The set of the key of each lock comes in a distinctive design, which prevents the lock from being opened by the wrong key and ensure security. Metric Key Keyway Dimensions Per ISO/R773 – Js9 Width Tolerance Table CHart. Learn the definitions and differences of slot, hole, groove, and keyway in mechanical engineering. A slot is an elongated hole, a hole is a circular cutout, a groove is a blind slot, and a keyway is a slot for a key. Armstrong Metalcrafts does prototyping and produces devices that stimulate the imagination, spark a conversation, and enlighten the soul. What is a key & keyway? A key and the keyway make up a Keyed joint to secure the hub and the shaft to prevent relative movement between a power transmitting shaft and an attached component. For example, Gear drives, Pulleys or Sprockets are connected securely using keys to the power transmitting shaft. Keyed joints are an important part of mechanical power transmission elements shaft and. Learn how to create and indicate keyed joints between parts using keyseats and keyways. Keyseats are slots on external features, while keyways are slots on internal features. Choose from our selection of key slots , including keyed rotary shafts, partially keyed rotary shafts, and more. Same and Next Day Delivery.